El Gordo on a diet The galaxy cluster is aptly named after its behemoth mass — it weighs in at about 2.1 quadrillion solar masses (try writing 2 with 15 zeros after to see just how large that ...

Astronomers have found the largest known galaxy cluster in the ancient Universe, calling it "El Gordo" - Spanish for "the Fat One".

NASA’s James Webb Space Telescope (JWST) recently imaged a massive galaxy cluster called “El Gordo” (Spanish for “The Fat One”) that contains hundreds of galaxies and existed when the universe was ...

The El Gordo galaxy cluster — officially known as ACT-CL J0102-4915 — is located more than 7 billion light-years from Earth. The cluster was first discovered in 2012 by a trio of telescopes, ...